Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1-T01 found under by Knowlton M D Co. The National Stock Number assigned to this part is 3110010139705, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1-T01.